File content as of revision 8:04b6a042595f:

/* PPPIPInterface.h */
/*
Copyright (C) 2012 ARM Limited.

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/

#ifndef PPPIPINTERFACE_H_
#define PPPIPINTERFACE_H_

#include "core/fwk.h"

#include "LwIPInterface.h"

#include "lwip/sio.h"

namespace rtos {
class Semaphore;
}
using namespace rtos;

/** Interface using PPP to connect to an IP-based network
 *
 */
class PPPIPInterface : public LwIPInterface
{
public:
    PPPIPInterface(IOStream* pStream);
    virtual ~PPPIPInterface();

    int init(); //Init PPP-specific stuff, create the right bindings, etc
    int setup(const char* user, const char* pw); //Setup authentication
    virtual int connect();
    virtual int disconnect();

private:
    static void linkStatusCb(void *ctx, int errCode, void *arg); //PPP link status
    Semaphore m_linkStatusSphre;
    int m_pppErrCode;

    IOStream* m_pStream; //Serial stream
    bool m_streamAvail;

    int m_pppd;

    friend u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len);
    friend u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len);
    friend void sio_read_abort(sio_fd_t fd);
};

#endif /* PPPIPINTERFACE_H_ */